[INDY-2345] Add documentation
[INDY-2345] Add documentation

Signed-off-by: Andrew Nikitin <3988702a677b83abef1980fca266e406bb150845@dsr-corporation.com>

Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk,Artemkaaas/indy-sdk